Diagnostic comparisons

Diagnostic knowledge search

23,879 code identifiers with scoped meanings, and 54,261 enhanced signal definitions. No VIN or personal information is needed.

Diagnostic explainers

Pending, stored and permanent codes · Enhanced PIDs and Mode 22

Code or signal meaning

Reference

Brand context

23,879 matches

Page 664 · 19891–19920 shown

P152800

2nd floor safety fuel cut-off monitoring fault

1 reference families · Changan

P1529

SCAIR Solenoid Circuit Malfunction

14 reference families · BMW, Dodge / Fiat, Ford, GM, Genesis / Hyundai / Kia, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P152900

Starter control monitoring fault

1 reference families · Changan

P1530

A/C Clutch Circuit Malfunction

19 reference families · BMW, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Dacia / Renault, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Suzuki, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P153000

AD converter zero test monitoring fault

1 reference families · Changan

P1531

Invalid Test - Accelerator Pedal Movement

18 reference families · Alfa Romeo, BMW, Chrysler, Dodge / Fiat, Ford, GM, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P153100

AD converter given voltage test monitoring fault

1 reference families · Changan

P1532

IMCC Circuit Malfunction, Bank B

15 reference families · BMW, Chrysler, Ford, GM, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Saab, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

P1533

AAI Circuit Malfunction

15 reference families · BMW, Chrysler, Ford, GM, Lincoln, Mercedes-Benz, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1534

Inertia Switch Activated

16 reference families · BMW, Chrysler, Ford, GM, Genesis / Hyundai / Kia, Jaguar / Land Rover, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1535

Blower Fan Speed Circuit Range/Performance

10 reference families · Chrysler, Ford, GM, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P153500

Mixture monitoring fault

1 reference families · Changan

P1536

Parking Brake Switch Circuit Failure

14 reference families · Chrysler, Dodge / Fiat, Ford, GM, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P153600

Working mode monitoring fault

1 reference families · Changan

P1537

Intake Manifold Runner Control (Bank 1) Stuck Open

13 reference families · Chrysler, Ford, GM, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P153700

Load comparison monitoring fault

1 reference families · Changan

P1538

Intake Manifold Runner Control (Bank 2) Stuck Open

P153800

Ignition angle signal, harness or ECU fault

1 reference families · Changan

P1539

Power To A/C Clutch Circuit Overcurrent

14 reference families · Chrysler, Ford, GM, Lincoln, Mercury, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Oldsmobile, Porsche, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P153900

Synchronization process rationality check (based on speed and synchronous count)

1 reference families · Changan

P153C

Engine speed signal message system serial data - reset count message incorrect

1 reference families · ISUZU

P153D

Driver torque request signal message system serial data - reset count message incorrect

1 reference families · ISUZU

P1540

Air Bypass Valve Circuit Malfunction

13 reference families · BMW, Ford, GM, Mazda, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, Chevrolet / Citroen / General Motors / Opel / Peugeot, Subaru, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1541

Pedal Position Sensor Double Error

9 reference families · BMW, GM, Acura / Honda, Datsun / Lada, Dodge / Mitsubishi, Porsche, Saab, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1542

Pedal Position Sensor Electrical

8 reference families · BMW, Ford, GM, Acura / Honda, Mercedes-Benz, Dodge / Mitsubishi, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1543

Pedal Position Sensor

7 reference families · BMW, GM, Genesis / Hyundai / Kia, Dodge / Mitsubishi, Chevrolet / Citroen / General Motors / Opel / Peugeot, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1544

Pedal Position Sensor

6 reference families · BMW, GM, Dodge / Mitsubishi, Subaru, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1545

Pedal Position Sensor

7 reference families · BMW, GM, Genesis / Hyundai / Kia, Dodge / Mitsubishi, УАЗ, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1546

A/C Compressor Clutch Output Circuit Malfunction

6 reference families · BMW, GM, Dodge / Mitsubishi, Generic OBD2, Audi / Jetta / MAN / Seat / Skoda / Volkswagen, Polestar / Volvo

P1547

Boost Pressure Contr. Valve Short to Ground

4 reference families · GM, Dodge / Mitsubishi, Generic OBD2, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

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OBD Lens reference library · catalog legacy-owner-2026-11-02-v84-evidence. Sources and scope